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| Mirrors > Home > ILE Home > Th. List > 2ecoptocl | Unicode version | ||
| Description: Implicit substitution of classes for equivalence classes of ordered pairs. (Contributed by NM, 23-Jul-1995.) |
| Ref | Expression |
|---|---|
| 2ecoptocl.1 |
|
| 2ecoptocl.2 |
|
| 2ecoptocl.3 |
|
| 2ecoptocl.4 |
|
| Ref | Expression |
|---|---|
| 2ecoptocl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2ecoptocl.1 |
. . 3
| |
| 2 | 2ecoptocl.3 |
. . . 4
| |
| 3 | 2 | imbi2d 230 |
. . 3
|
| 4 | 2ecoptocl.2 |
. . . . . 6
| |
| 5 | 4 | imbi2d 230 |
. . . . 5
|
| 6 | 2ecoptocl.4 |
. . . . . 6
| |
| 7 | 6 | ex 115 |
. . . . 5
|
| 8 | 1, 5, 7 | ecoptocl 6786 |
. . . 4
|
| 9 | 8 | com12 30 |
. . 3
|
| 10 | 1, 3, 9 | ecoptocl 6786 |
. 2
|
| 11 | 10 | impcom 125 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-br 4087 df-opab 4149 df-xp 4729 df-cnv 4731 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-ec 6699 df-qs 6703 |
| This theorem is referenced by: 3ecoptocl 6788 ecovcom 6806 ecovicom 6807 addclnq 7585 mulclnq 7586 nqtri3or 7606 ltexnqq 7618 addclnq0 7661 mulclnq0 7662 distrnq0 7669 mulcomnq0 7670 addassnq0 7672 addclsr 7963 mulclsr 7964 mulgt0sr 7988 aptisr 7989 |
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